Update app.py

app.py

@@ -21,9 +21,14 @@ def parse_equation(equation):
 a1, b1, c1 = parse_equation(equation1)
 a2, b2, c2 = parse_equation(equation2)
 
-intersection = np.linalg.solve([[a1, b1], [a2, b2]], [c1, c2])
+intersection = None
+if np.linalg.det([[a1, b1], [a2, b2]]) != 0:
+    intersection = np.linalg.solve([[a1, b1], [a2, b2]], [c1, c2])
+else:
+    st.write('Система уравнений вырожденная, решений бесконечно много или их нет')
 
-st.write(f'Координаты точки пересечения прямых: ({intersection[0]}, {intersection[1]})')
+if intersection is not None:
+    st.write(f'Координаты точки пересечения прямых: ({intersection[0]}, {intersection[1]})')
 
 x = np.linspace(-10, 10, 400)
 y1 = (c1 - a1*x) / b1
@@ -32,8 +37,9 @@ y2 = (c2 - a2*x) / b2
 plt.figure()
 plt.plot(x, y1, label='Equation 1')
 plt.plot(x, y2, label='Equation 2')
-plt.scatter(intersection[0], intersection[1], color='red', label='Intersection')
+if intersection is not None:
+    plt.scatter(intersection[0], intersection[1], color='red', label='Intersection')
 plt.xlabel('x')
 plt.ylabel('y')
 plt.legend()
-st.pyplot()
+st.pyplot()